Re: History for query replace pairs

[Juri Linkov]

> We definitely shouldn't store the pairs as a single string.
> But do we really need to change the history vars at all?
> I mean, we currently manage to extract "the last pair" from the current
> history vars, so can't we extend this hack?

Since currently the default is displayed as "FROM -> TO" for
the last pair, and usually M-n inserts it into the minibuffer,
it makes sense to extend it so more M-n will insert more
previous pairs.  Then we don't need to change the history vars.